Smaug the Impenetrable, Burning Anger, and Steelfin Whale

Prerequisites

• Smaug the Impenetrable on the battlefield
• Burning Anger on the battlefield
• Steelfin Whale on the battlefield

Steps

1. Activate Steelfin Whale using the ability granted to it by Burning Anger by tapping it, dealing 3 damage to Smaug
2. Smaug triggers, creating three Treasure tokens
3. When the Treasure enters, Steelfin Whale triggers that many times
4. Resolve the first Steelfin Whale trigger, untapping it
5. Holding priority, activate Steelfin Whale by tapping it, dealing 3 damage to any target Repeat steps 4 and 5 once, then repeat step 4 an additional time
6. Repeat from step 1

Results

• Infinite Treasure tokens
• Infinite colored mana
• Infinite damage